This Forum Beta is ONLY for registered owners of D-Link products in the USA for which we have created boards at this time.
Whats wrong again? Has a Factory Reset been performed?Was a Factory Reset performed before and after any firmware updates then set up from scratch? FW Update ProcessInternet Service Provider and Modem ConfigurationsWhat ISP Service do you have? Cable or DSL?What ISP Modem Mfr. and model # do you have?Wireless ConfigurationsLinks>Wireless Installation Considerations and Managing Signal Congestion and Good Neighbour Policy Ensure the default (dlink) SSID name is changed. Can be anything and not something that's already in use by any neighboring WiFi routers. Under Setup/Wireless/Manual.What wireless modes are you using?2.4Ghz and 5Ghz routers: Try single mode G or N or mixed G and N on 2.4Ghz and single mode N or AC on 5Ghz?Channel Width set for Auto 20/40MhzTry setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear. 13 for EU regions. Try channel 48 or 149 on 5Ghz.What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto TPIK and AES. What wireless devices do you have connected?Ensure any devices with WiFi adapter drivers are updated.Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by?Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless. Router PlacementForum User - "Well I feel really dumb. After moving the router away from other electronic devices my speeds are back to normal. Just a heads up for anyone experiencing slow speeds, you might want to move it away from other electronics and see if that helps."3-6' feet minimum safe distance between devices.Placement on main level floor and central in the building and WELL ventilated is preferred. Not in basements or closets as building materials, or near by electronics devices could interfere or hinder good signal propagation.
Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?How is the router placed? What surface is it on? Good air flow for it?